Tower defense games were extremely popular on PCs and once they made the move to mobile devices, they were instant hit. These strategic affairs challenge you to protect a base from waves of increasingly tough and complex enemies by placing offensive turrets along the way, and the tactical thrill of managing an effective array of fortifications can be hugely satisfying!

Fieldrunners 299 centsStrategic-Action-Puzzle-Defense has never been this fun and addicting! Defend your world from the invasion by building winding paths out of imaginative, new weapons. Call in airstrikes and set explosive traps to hit the enemies where it hurts. Over 20 new levels span the grassiest fields, driest deserts, sparkling cities, and even an infernal volcano lair! Challenge your mind with the exciting new gameplay styles in Puzzle, Sudden Death, and Time Trial levels. Are you ready to stop the fieldrunners once and for all? Join the defense, now!

Plants vs.Zombies99 centsPlants vs. Zombies , challenges you to repel the undead invasion using a slew of differently-abled foliage. Starting in the backyard and moving to the rooftop, this streamlined take keeps everything neat and tidy in rows, but just because it's easier to pick up doesn't mean that it lacks a solid challenge within. There are different modes available like Adcenture, Survial, Zen, plus 22 mini-games so the fun never stop!

Kingdom Rush$2.99Kingdom Rush offers limited plots on each map for you to set towers upon, but then gives you more options once placed. Branching upgrades give you smart choices on the battlefield, plus you can enlist a roaming hero for an occasional boost. The cartoonish look is charming, but Kingdom Rush can be thrillingly taxing. There are a variety of enemies and you can earn over 50 achievements. The graphics of Kingdom Rush are cartoony!

Toy Defense99 centsExperience a totally explosive gameplay in the new tower defense game in the WWI setting! Now you have even more opportunities, many more weapons and tactical tricks. Eliminate foes, defend your base and feel for yourself the atmosphere of the true born warfare. Lead your army to victory by any means!

Tiny HeroesFreeTiny Heroes makes you the evil enemy trying to ward off heroic adventurers that storm into your treasure-stocked dungeons. You'll do so by placing towers within twisting map layouts, though the heroes here are a little smarter than your average genre cannon fodder. Luckily, you've got some complex and humiliating defenses at hand.